Knife holding board



FIG. 1 is a top perspective view of a knife holding board showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof; and

FIG. 5 is a right side elevational view thereof.

The bottom view of the design is plane and unornamented. 

The ornamental design for a knife holding board, substantially as shown and described. 